[Plugin: jQuery Collapse-O-Matic] How to insert excerpt?

how are you inserting your excerpt code in a post or page?

then use do_shortcode: http://codex.wordpress.org/Function_Reference/do_shortcode
with get_the_excerpt: http://codex.wordpress.org/Function_Reference/get_the_excerpt
like so:

<?php echo do_shortcode('[expand title="Click Me"]'.get_the_excerpt().'[/expand]'); ?>